Portable multifunctional fitness board



FIG. 1 is a perspective view of a portable multifunctional fitness board showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the portable multifunctional fitness board, which form no part of the claimed design. 

CLAIM The ornamental design for a portable multifunctional fitness board, as shown and described. 